Extraction device for polluted gases



FIG. 1 is a perspective view of the extraction device;

FIG. 2 is another perspective view of the extraction device;

FIG. 3 is a side elevational view of the extraction device;

FIG. 4 is a side elevational view of the opposite side of the extraction device;

FIG. 5 is a front elevational view of the extraction device;

FIG. 6 is a rear elevational view of the extraction device;

FIG. 7 is a top plan view of the extraction device; and,

FIG. 8 is a bottom plan view of the extraction device. 

The ornamental design for a extraction device for polluted gases, as shown and described. 